MCP.Market

Domain Mail Check MCP server

online · 100% uptime
by openkrill.app·app.openkrill/mailcheck·v1.4.0
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Check a domain's email DNS, whether Gmail and Outlook accept its mail, and its registration.

C65/100grade C
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Safety scan
C65/100

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Adoption
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Domain Mail Check tools

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How Domain Mail Check compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 916 Email servers
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
115 ms
faster than 82% of 609 Email servers

Release history: 2 versions in the registry since 2026-10-03, latest 2026-10-21, typically one every 18 days.

Install Domain Mail Check in Claude Code, Cursor or VS Code

claude mcp add --transport http mailcheck https://mailcheck.openkrill.app/mcp
Add to Cursor

Domain Mail Check: common questions

Is Domain Mail Check MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Domain Mail Check safety report
How do I install Domain Mail Check?
It runs remotely at mailcheck.openkrill.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Domain Mail Check need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Domain Mail Check maintained?
The latest release is v1.4.0.
Is Domain Mail Check up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Domain Mail Check?
Servers from other publishers that do the same job: Mailoo - Email MCP Server, Inbox Zero MCP server and smbCloud Mail & Auth MCP server.
How does Domain Mail Check compare with other Email MCP servers?
safety score 65/100 (higher than 20% of 916 Email servers); uptime 100% (of our recent checks; the typical remote Email server answers 100%); response time 115 ms (faster than 82% of 609 Email servers). Full comparison.

Alternatives to Domain Mail Check

Same job from other publishers: the closest match first, then the best rated.

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  • Inbox Zero
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  • smbCloud Mail & Auth
    Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
    A
  • Email
    Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations
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  • Fluxmail
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